Signal Tower Components

Signal tower components, often known as click-together beacon lamps, are used on different devices and machinery for drawing attention to warning messages and fault conditions by providing a signal / visual alarm.

How do signal towers work?

Signal tower components are used in a wide-range of applications to achieve multi-status signalling. They are commonly used by mounting together to make a tower of up to six modules high. These towers can be used as single indicators or used as sounder modules.

Different components of a signal tower

Every tower beacon consists of the following essential components:

Base units

The signal base unit is the bottom area of the signal tower. This part has a terminal block for installation, wiring, top cover and gasket in order to support the whole tower construction.

Light modules

Light modules come in different colours for different types of lamps or light modules, including LED, strobes, and incandescent lamps and send out a warning signal.

Audible Alarm Modules

Audible alarm modules are attached to the top area of a completed tower unit. These audible alarms act as a warning/ alert signal to users.


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Description Price Range Series Component Type Multifunction Current Type Light Effect Lens Colour Lamp Included Bulb Type Supply Voltage Minimum Decibel Maximum Decibel Height Base Diameter
RS Stock No. 293-9966
Mfr. Part No.XVBC35
MYR406.99
Each
units
Harmony Harmony XVB Beacon - AC Steady Orange - Incandescent, LED 250 V - - 63mm 70mm
RS Stock No. 436-2043
Mfr. Part No.XVBC2B4
MYR301.43
Each
units
Harmony Harmony XVB Beacon - AC, DC Steady Red Yes LED 24 V ac/dc - - 63mm 70mm
RS Stock No. 293-9893
Mfr. Part No.XVBC34
MYR153.26
Each
units
Harmony Harmony XVB Beacon - AC Steady Red - Incandescent, LED 250 V - - 63mm 70mm
RS Stock No. 314-7219
Mfr. Part No.84230055
BrandWerma
MYR563.80
Each
units
KombiSIGN 70 842 Beacon - DC Flashing Yellow - Xenon 24 V dc - - 65.5mm 70mm
RS Stock No. 209-282
BrandRS PRO
MYR140.76
Each
units
- - - - - - - - - 24 V ac/dc - - 42mm 20mm
RS Stock No. 294-0348
Mfr. Part No.XVBC9B
MYR444.92
Each
units
Harmony Harmony XVB Buzzer Element - DC - - - - 24 V ac/dc 70dB 90dB 63mm 70mm
RS Stock No. 314-7360
Mfr. Part No.84008500
BrandWerma
MYR177.28
Each
units
KombiSIGN 70 840 Termination - AC, DC - - - - 24 V dc, 230 V ac - - 30.5mm 70mm
RS Stock No. 455-3407
Mfr. Part No.64081000
BrandWerma
MYR103.15
Each
units
KombiSIGN 71 640 Termination - AC, DC - - - - 24 V dc, 230 V ac - - 26.5mm 70mm
RS Stock No. 455-3306
Mfr. Part No.64420075
BrandWerma
MYR200.70
Each
units
KombiSIGN 71 644 Beacon - AC, DC Steady Green - LED 24 V dc - - 65mm 70mm
RS Stock No. 455-3176
Mfr. Part No.64110000
BrandWerma
MYR89.44
Each
units
KombiSIGN 71 641 Beacon - AC, DC Steady Red - - 12 - 230 V ac/dc - - 65mm 70mm
RS Stock No. 881-2791
Mfr. Part No.XVUC24
MYR222.40
Each
units
Harmony Harmony XVU Beacon - DC Steady Red Yes LED 24 V ac/dc - - 50mm 60mm
RS Stock No. 314-7275
Mfr. Part No.84411855
BrandWerma
MYR309.35
Each
units
KombiSIGN 70 844 Buzzer Element - AC, DC - - - - 24 V dc - 85dB 72mm 70mm
RS Stock No. 294-0118
Mfr. Part No.XVBC9M
MYR989.86
Each
units
Harmony Harmony XVB Buzzer Element - AC - - - - 120 → 230 V ac 70dB 90dB 63mm 70mm
RS Stock No. 881-2797
Mfr. Part No.XVUC23
MYR215.56
Each
units
Harmony Harmony XVU Beacon - DC Steady Green Yes LED 24 V ac/dc - - 50mm 60mm
RS Stock No. 314-7326
Mfr. Part No.84008000
BrandWerma
MYR177.28
Each
units
KombiSIGN 70 840 Termination - AC, DC - - - - 24 V dc, 230 V ac - - 30.5mm 70mm
RS Stock No. 818-3936
Mfr. Part No.171404 & SL7-FL24-R
BrandEaton
MYR634.71
Each
units
- SL7 Beacon - AC, DC Strobe Red - LED 24 V ac/dc - - 61mm 73mm
RS Stock No. 328-0259
Mfr. Part No.84810055
BrandWerma
MYR290.99
Each
units
KombiSIGN 50 848 Beacon - AC, DC Steady Red - LED 24 V ac/dc - - 67mm 50mm
RS Stock No. 511-7333
Mfr. Part No.84351055
BrandWerma
MYR496.52
Each
units
KombiSIGN 70 843 Beacon - AC, DC Blinking Blue - LED 24 V dc - - 65.5mm 70mm
RS Stock No. 436-2087
Mfr. Part No.XVBC2B7
MYR375.83
Each
units
Harmony Harmony XVB Beacon - AC, DC Steady Clear Yes LED 24 V ac/dc - - 63mm 70mm
RS Stock No. 818-3885
Mfr. Part No.171379 & SL4-AP24
BrandEaton
MYR447.73
Each
units
- SL4 Continuous / Pulse Sounder Yes AC, DC - - - - 24 V ac/dc 88dB 100dB 71mm 40 mm, 43mm